From 2d4a7ac9f9ada2d595e18965d0b6d3908078455c Mon Sep 17 00:00:00 2001
From: Chris Lu <chris.lu@gmail.com>
Date: Tue, 19 Mar 2013 10:35:13 -0700
Subject: [PATCH] avoid error when missing configuration file

---
 go/topology/topology.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/go/topology/topology.go b/go/topology/topology.go
index 6f18a73ee..c9b6096de 100644
--- a/go/topology/topology.go
+++ b/go/topology/topology.go
@@ -54,6 +54,8 @@ func (t *Topology) loadConfiguration(configurationFile string) error {
 	if e == nil {
 		t.configuration, e = NewConfiguration(b)
 		return e
+	}else{
+    log.Println("Using default configurations.")
 	}
 	return nil
 }